TikTok hysteria notwithstanding, the heads of the CIA, FBI and Intel community are careful to note that any threat to national security is purely hypothetical.
There's no evidence that TikTok has ever coordinated with the Chinese government. https://theintercept.com/2024/03/16/tiktok-china-security-threat/
I do have a deal with the Chinese Gov't (the CCP specifically) establishing dominance in the US economy. A lot of that is done through data they receive from us. But removing TikTok is just a tiny part of it. Banning them will make no difference.